The base angle of an isosceles triangle measures 54 degrees.
what is the measure of vertex angle?
a) 27
b) 37
c) 54
d)72

d (5 x (-20)) * (100 x (0.7))

step-by-step explanation:

5÷1/100 * -.7 *-20

copy dot flip

5*100 * -.7 *-20

rearrange

5*-20   * 100 *-.7

-100   *-70

7000